package com.zzyl.nursing.service.impl;

import java.util.*;

import cn.hutool.core.collection.ListUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.service.WeChatService;
import com.zzyl.nursing.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.domain.FamilyMember;
import com.zzyl.nursing.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 *
 * @author ruoyi
 * @date 2025-07-31
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService {
    @Autowired
    private FamilyMemberMapper familyMemberMapper;

    @Autowired
    private WeChatService weChatService;

    @Autowired
    private TokenService tokenService;

    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of("生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );


    /**
     * 查询老人家属
     *
     * @param id 老人家属主键
     * @return 老人家属
     */
    @Override
    public FamilyMember selectFamilyMemberById(Long id) {
        return getById(id);
    }

    /**
     * 查询老人家属列表
     *
     * @param familyMember 老人家属
     * @return 老人家属
     */
    @Override
    public List<FamilyMember> selectFamilyMemberList(FamilyMember familyMember) {
        return familyMemberMapper.selectFamilyMemberList(familyMember);
    }

    /**
     * 新增老人家属
     *
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int insertFamilyMember(FamilyMember familyMember) {
        return save(familyMember) ? 1 : 0;
    }

    /**
     * 修改老人家属
     *
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int updateFamilyMember(FamilyMember familyMember) {
        return updateById(familyMember) ? 1 : 0;
    }

    /**
     * 批量删除老人家属
     *
     * @param ids 需要删除的老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberByIds(Long[] ids) {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除老人家属信息
     *
     * @param id 老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberById(Long id) {
        return removeById(id) ? 1 : 0;
    }


    /**
     * 微信登录
     *
     * @param dto 小程序传递的参数
     * @return 结果
     */
    @Override
    public LoginVo login(UserLoginRequestDto dto) {
        // 1. 调用微信api, 获取openid
        String openId = weChatService.getOpenId(dto.getCode());
        // 2. 根据openid查询数据库，判断用户是否存在
        FamilyMember member = getOne(Wrappers.<FamilyMember>lambdaQuery().eq(FamilyMember::getOpenId, openId));
        // 3. 判断如果用户为空, 创建新对象并设置openid
        if (ObjectUtils.isEmpty(member)) {
            member = FamilyMember.builder().openId(openId).build();
        }
        // 4. 调用微信api, 获取用户手机号
        String phoneNumber = weChatService.getPhoneNumber(dto.getPhoneCode());
        member.setPhone(phoneNumber);
        // 5. 新增或更新用户信息
        saveOrUpdateFamilyMember(member);
        // 6. 把用户id和昵称封装为jwt返回
        Map<String, Object> claims = new HashMap<>();
        claims.put("userId", member.getId());
        claims.put("nickName", member.getName());
        String token = tokenService.createToken(claims);
        // 7. 封装结果并返回
        LoginVo vo = new LoginVo();
        vo.setToken(token);
        vo.setNickName(member.getName());
        return vo;
    }

    /**
     * 新增或更新用户信息
     *
     * @param member 老人家属信息
     */
    private void saveOrUpdateFamilyMember(FamilyMember member) {
        // 根据id来判断, 是新增还是修改
        if (ObjectUtils.isEmpty(member.getId())) {
            // 为用户设置昵称
            String prefix = DEFAULT_NICKNAME_PREFIX.get(new Random().nextInt(DEFAULT_NICKNAME_PREFIX.size()));
            String nickName = prefix + member.getPhone().substring(7);
            member.setName(nickName);
            // 新增
            save(member);
        } else {
            // 修改
            updateById(member);
        }
    }
}
